/**
 * Copyright (c) 2012, Ben Fortuna
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  o Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 *  o Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 *  o Neither the name of Ben Fortuna nor the names of any other contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.mnode.ousia.layer;

import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;

import javax.swing.JComponent;
import javax.swing.JLabel;

import org.jdesktop.jxlayer.JXLayer;
import org.jdesktop.jxlayer.plaf.AbstractLayerUI;

public class StatusLayerUI extends AbstractLayerUI<JComponent> implements ComponentListener {

	private static final long serialVersionUID = 1L;

	private JLabel statusPane;
	
	public StatusLayerUI() {
		statusPane = new JLabel();
		statusPane.setBackground(new Color(192, 192, 192, 192));
		statusPane.setOpaque(true);
		statusPane.setVisible(false);
	}
	
	@Override
	public void installUI(JComponent c) {
		super.installUI(c);
		@SuppressWarnings("unchecked")
		final JXLayer<JComponent> l = (JXLayer<JComponent>) c;
        l.getGlassPane().setLayout(null);
        l.getGlassPane().add(statusPane);
        l.addComponentListener(this);
	}
    
    @Override
    public void uninstallUI(JComponent c) {
        super.uninstallUI(c);
        @SuppressWarnings("unchecked")
        final JXLayer<JComponent> l = (JXLayer<JComponent>) c;
        l.getGlassPane().setLayout(new FlowLayout());
        l.getGlassPane().remove(statusPane);
        l.removeComponentListener(this);
    }
    
    public void showStatusMessage(String message) {
    	statusPane.setText(message);
    	statusPane.setVisible(true);
    }
    
    public void hideStatusMessage() {
    	statusPane.setVisible(false);
    }
	
	@Override
	public void componentShown(ComponentEvent e) {
	}
	
	@Override
	public void componentResized(ComponentEvent e) {
		statusPane.setLocation(10, e.getComponent().getHeight() - 30);
		statusPane.setSize(e.getComponent().getWidth() - 20, 30);
	}
	
	@Override
	public void componentMoved(ComponentEvent e) {
	}
	
	@Override
	public void componentHidden(ComponentEvent e) {
	}
}
